Home / 8,307.18-12,457.26-2,759.04

Finding the Fourth Proportional to 8,307.18, 12,457.26 and 2,759.04

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Solution

The fourth proportional to 8,307.18, 12,457.26 and 2,759.04 is: 4,137.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307.18 : 12,457.26 = 2,759.04 : x
  2. Step 2: Convert to fraction form
    8,307.18/12,457.26 = 2,759.04/x
  3. Step 3: Cross multiply
    8,307.18x = 12,457.26 × 2,759.04
  4. Step 4: Simplify right side
    8,307.18x = 34,370,078.63
  5. Step 5: Solve for x
    x = 34,370,078.63/8,307.18
  6. Step 6: Final answer
    x = 4,137.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.